Biology and morphology of the immature stages of the cleptoparasitic bee Coelioxys chichimeca (Hymenoptera, Apoidea, Megachilidae)
Bookreader Item Preview
Share or Embed This Item
texts
Biology and morphology of the immature stages of the cleptoparasitic bee Coelioxys chichimeca (Hymenoptera, Apoidea, Megachilidae)
- Publication date
- 2010
- Topics
- Coelioxys chichimeca, Behavior, Larvae, Centris bicornuta, Parasites, Parasitic insects, Bees, Host-parasite relationships, Insects, Coelioxys chichimeca -- Behavior, Coelioxys chichimeca -- Larvae, Centris bicornuta -- Parasites, Parasitic insects -- Behavior -- Central America, Parasitic insects -- Larvae -- Central America, Parasitic insects -- Central America, Bees -- Parasites -- Central America, Bees -- Behavior -- Central America, Bees -- Larvae -- Central America, Bees -- Central America, Insects -- Behavior -- Central America, Insects -- Larvae -- Central America, Insects -- Central America, Larvae, Insects
- Publisher
- New York, NY : American Museum of Natural History
- Collection
- americanmuseumnaturalhistory; biodiversity
- Contributor
- American Museum of Natural History Library
- Language
- English
- Rights-holder
- American Museum of Natural History Library
- Volume
- no. 3679
- Item Size
- 41.4M
26 p. : 26 cm
Herein we investigate the behavior and anatomy of all larval instars of the cleptoparasitic bee, Coelioxys (Cyrtocoelioxys) chichimeca Cresson. The species is found in Central America with its host, Centris (Heterocentris) bicornuta Mocsáry, one of the cavity-nesting members of the genus. The egg/mature oocyte of C. chichimeca, unusually small (like known eggs of other Coelioxys), is described, as is egg placement in the wall of the brood chamber. The anatomy and behavior of each of the five larval instars is described. The first instar develops within the egg chorion, from which the second instar emerges. The second and third instars apparently normally remain attached by their posterior ends either to the egg chorion or to the place where the egg had been attached to the cell wall. The second instar possesses an array of large spines on the outer surface of each mandible thought to rupture the thick chorion, thus allowing eclosion. Both second and third instars have modified head capsules and mandibles enabling them to attack host immatures. Both instars possess an extremely large pair of spiracles on the eighth abdominal segment and lesser-enlarged spiracles on the two preceding abdominal segments as well as enlarged internal lateral tracheal trunks. These modifications are likely related to the need for the larva to acquire air from the substrate while the body is submerged in nectar. Fourth and fifth instars, no longer attached to the substrate, assume the morphological attributes and behavior of normal provisions-consuming megachilid larvae. The last larval instar defecates and afterwards spins a cocoon bearing a conspicuous nipple. A male pupa is also illustrated and described
Caption title
"March 4, 2010."
Includes bibliographical references (p. 25-26)
Herein we investigate the behavior and anatomy of all larval instars of the cleptoparasitic bee, Coelioxys (Cyrtocoelioxys) chichimeca Cresson. The species is found in Central America with its host, Centris (Heterocentris) bicornuta Mocsáry, one of the cavity-nesting members of the genus. The egg/mature oocyte of C. chichimeca, unusually small (like known eggs of other Coelioxys), is described, as is egg placement in the wall of the brood chamber. The anatomy and behavior of each of the five larval instars is described. The first instar develops within the egg chorion, from which the second instar emerges. The second and third instars apparently normally remain attached by their posterior ends either to the egg chorion or to the place where the egg had been attached to the cell wall. The second instar possesses an array of large spines on the outer surface of each mandible thought to rupture the thick chorion, thus allowing eclosion. Both second and third instars have modified head capsules and mandibles enabling them to attack host immatures. Both instars possess an extremely large pair of spiracles on the eighth abdominal segment and lesser-enlarged spiracles on the two preceding abdominal segments as well as enlarged internal lateral tracheal trunks. These modifications are likely related to the need for the larva to acquire air from the substrate while the body is submerged in nectar. Fourth and fifth instars, no longer attached to the substrate, assume the morphological attributes and behavior of normal provisions-consuming megachilid larvae. The last larval instar defecates and afterwards spins a cocoon bearing a conspicuous nipple. A male pupa is also illustrated and described
Caption title
"March 4, 2010."
Includes bibliographical references (p. 25-26)
- Abstract
- Herein we investigate the behavior and anatomy of all larval instars of the cleptoparasitic bee, Coelioxys (Cyrtocoelioxys) chichimeca Cresson. The species is found in Central America with its host, Centris (Heterocentris) bicornuta Mocsáry, one of the cavity-nesting members of the genus. The egg/mature oocyte of C. chichimeca, unusually small (like known eggs of other Coelioxys), is described, as is egg placement in the wall of the brood chamber. The anatomy and behavior of each of the five larval instars is described. The first instar develops within the egg chorion, from which the second instar emerges. The second and third instars apparently normally remain attached by their posterior ends either to the egg chorion or to the place where the egg had been attached to the cell wall. The second instar possesses an array of large spines on the outer surface of each mandible thought to rupture the thick chorion, thus allowing eclosion. Both second and third instars have modified head capsules and mandibles enabling them to attack host immatures. Both instars possess an extremely large pair of spiracles on the eighth abdominal segment and lesser-enlarged spiracles on the two preceding abdominal segments as well as enlarged internal lateral tracheal trunks. These modifications are likely related to the need for the larva to acquire air from the substrate while the body is submerged in nectar. Fourth and fifth instars, no longer attached to the substrate, assume the morphological attributes and behavior of normal provisions-consuming megachilid larvae. The last larval instar defecates and afterwards spins a cocoon bearing a conspicuous nipple. A male pupa is also illustrated and described.
- Addeddate
- 2020-03-04 22:45:48
- Associated-names
- Rozen, Jerome G., Jr. (Jerome George), 1928-; Vinson, S. Bradleigh, 1938-; Coville, Rollin E; Frankie, G. W
- Call number
- amnhnovitates3679
- Call-number
- amnhnovitates3679
- External-identifier
-
urn:doi:10.1206/3679.1
- Foldoutcount
- 0
- Genre
- bibliography
- Identifier
- biologymorpholo00roze
- Identifier-ark
- ark:/13960/t3328h96d
- Identifier-bib
- amnhnovitates3679
- Ocr
- ABBYY FineReader 11.0 (Extended OCR)
- Pages
- 26
- Possible copyright status
- In copyright. Digitized with the permission of the rights holder.
- Ppi
- 438
- Year
- 2010
- Full catalog record
- MARCXML
This book is
available with additional data
at
Biodiversity Heritage Library.
comment
Reviews
There are no reviews yet. Be the first one to
write a review.
194 Views
DOWNLOAD OPTIONS
Temporarily Unavailable
For users with print-disabilities
Temporarily Unavailable
IN COLLECTIONS
American Museum of Natural HistoryUploaded by amnhbhl on